Test Report No.: SZRL2403011701EN Date: 2024-04-01 Page 1 of 19 4TH FLOOR, BLOCK B, HAINA BAICHUAN HEADQUARTERS BUILDING, NO. 6 BAOXING ROAD, HAIBIN COMMUNITY, XIN'AN STREET, BAO'AN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE, CHINA. The following sample’s information(s) was/ were submitted and identified on behalf of the client as: Sample Name Model No. of Tested Sample Other Model No. Manufacturer Date of Receipt Testing Start Date Testing End Date Test Result(s) For further details, please refer to the following page(s) Signed for and on behalf of SGS-CSTC Standards Technical Services Co., Ltd., Shenzhen Branch Testing Center Ricky Teng Authorized Signatory Unless otherwise agreed in writing, this document is issued by the Company subject to its General Conditions of Service printed overleaf, available on request or accessible at http://www.sgs.com/en/Terms-and-Conditions.aspx and, for electronic format documents, subject to Terms and Conditions for Electronic Documents at http://www.sgs.com/en/Terms-and-Conditions/Terms-e-Document.aspx. Attention is drawn to the limitation of liability, indemnification and jurisdiction issues defined therein. Any holder of this document is advised that information contained hereon reflects the Company’s findings at the time of its intervention only and within the limits of Client’s instructions, if any. The Company’s sole responsibility is to its Client and this document does not exonerate parties to a transaction from exercising all their rights and obligations under the transaction documents. This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 30 days only. Attention: To check the authenticity of testing /inspection report & certificate, please contact us at telephone: (86-755)83071443, or email: [email protected] 1 si Floor of Plant 3,1st & 2nd Floor of Plant 4, Jianghao Industrial Park, No.430 Jihua Road, Banlian, Longgang District, Shenzhen, China 518129 t (86-755) 2532 8888^6143 www.sgsgroup.com.cn

Test Report No.: SZRL2403011701EN Date: 2024-04-01 Page 2 of 19Report Declaration: The test samples were provided and confirmed by the customer in this report, the results contained in this test report do not relate to other samples of the same product. The manufacturer should ensure that all products manufactured are in conformity with the product sample in this report. In the territory of the People's Republic of China, the test method is not in CMA accredited scope, the test report shall only be used for client scientific research, teaching, internal quality control, product research and development,...

1. Test Item: High Temperature Operation Test Test sample Qty.:1 pc(s) Test Standards: Refer to MIL-STD-810H w/Change 1: 2022 Method 501.7 Procedure II and client’s requirements. Test Environmental Conditions: 15°C~35°C, 25%RH~75%RH Test Condition: Sample Status: Unpackaged, Operation Test Step: 1) Temperature Change: 24.6C to 60C; Rate: 1 C/min. 2) Storage Temperature: 60°C; Duration: 4 hours. 3) Temperature Change: 60°C to 25°C; Rate: 1 C/min. Test Result: Test Photos: UnEess otherwise agreed in writing, this document is issued by the Company subject to its General Conditions of Service printed...

Fig.3 Appearance inspection before test Fig.4 Appearance inspection after test UnEess otherwise agreed in writing, this document is issued by the Company subject to its General Conditions of Service printed overleaf, available on request or accessible at http://www.sqs.com/en/Terms-and-Conditions.aspx and, for electronic format documents, subject to Terms and Conditions for Electronic Documents at http://www.sqs.com/en/Terms-and-Conditions/Terms-e-Document.aspx. Attention is drawn to the limitation of liability, indemnification and jurisdiction issues defined therein. Any holder of this document...

Test Report No.: SZRL2403011701EN Date: 2024-04-01 Page 5 of 19 pment Information:

2. Test Item: Low Temperature Storage Test Test sample Qty :1 pc(s) Test Standards: Refer to MIL-STD-810H w/Change 1: 2022 Method 502.7 Procedure I and client’s requirements. Test Environmental Conditions: 15°C~35°C, 25%RH~75%RH Test Condition: Sample Status: Unpackaged, Non-operation Test Step: 1) Temperature Change: 25C to -30°C; Rate: 1C/min. 2) Storage Temperature: -30°C; Duration: 24 hours. 3) Temperature Change: -30 °C to 25°C; Rate: 1C/min. Test Result: Test Photos: Fig.11 Appearance inspection after test UnEess otherwise agreed in writing, this document is issued by the Company subject...

Fig.12 Appearance inspection before test Fig.13 Appearance inspection after test Fig.15 Function inspection after test UnEess otherwise agreed in writing, this document is issued by the Company subject to its General Conditions of Service printed overleaf, available on request or accessible at http://www.sqs.com/en/Terms-and-Conditions.aspx and, for electronic format documents, subject to Terms and Conditions for Electronic Documents at http://www.sqs.com/en/Terms-and-Conditions/Terms-e-Document.aspx. Attention is drawn to the limitation of liability, indemnification and jurisdiction issues defined...

Test Report Fig.18 Test equipment Equipment Information: Equipment No. Equipment Name Temperature and Humidity Chamber Next Calibration

3. Test Item: Low Temperature Operation Test Test sample Qty.: 1 pc(s) Test Standards: Refer to MIL-STD-810H w/Change 1: 2022 Method 502.7 Procedure II and client’s requirements. Test Environmental Conditions: 15°C~35°C, 25%RH~75%RH Test Condition: Sample Status: Unpackaged, Operation Test Step: 1) Temperature Change: 25C to -21C; Rate: 1C/min. 2) Storage Temperature: -21C; Duration: 4 hours. 3) Temperature Change: -21C to 25°C; Rate: 1 C/min. Test Result: Test Photos: UnEess otherwise agreed in writing, this document is issued by the Company subject to its General Conditions of Service printed...